User talk:TheEngineer123

July 2010
Welcome to Wikipedia. Everyone is welcome to contribute to the encyclopedia, but when you add or change content, as you did to the article HVAC, please cite a reliable source for the content of your edit. This helps maintain our policy of verifiability. Take a look at Citing sources for information about how to cite sources and the welcome page to learn more about contributing to this encyclopedia. Thank you. Old Moonraker (talk) 22:00, 14 July 2010 (UTC)